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p = 5 cm
l = 3 cm
t = 2 cm
ρ = 8,4 gram/cm³
dit : m ?
dijawab :
V = p x l x t
= 5 x 3 x 2
= 30 cm³
jadi massa :
m = ρ x V
= 8,4 x 30
= 252 gram